The term refers to the boyfriend of a seemingly competent friend who has begun dedicating most of her time and energy to a guy who seems incapable of functioning on his own without excessive assistance, support and reassurance from her.

- Why did Jennifer leave the party so early? I feel like I haven't seen her in ages.

- She told me her boyfriend expressed that he didn't feel comfortable around people he hasn't known his entire life by throwing a beer bottle through Jan's parents car window so she was taking him home.